Abstract
Cariniana as previously circumscribed is a genus of 16 species restricted to neotropical forest habitats on well-drained sites. A phylogenetic analysis of the genus based on 33 morphological and anatomical characters was undertaken. The results show that Cariniana consists of two clades: the Allantoma/Cariniana decandra clade includes Allantoma lineata and seven species of actinomorphic-flowered Cariniana and is characterized by 5-merous flowers, carnose petals, incurved petal apex, scarcely lobed calyces, eucamptodromous secondary veins, dichotomizing venation, and poorly developed areolation; the C. legalis clade is made up of nine species and is characterized by an obliquely zygomorphic androecium, reticulate tertiary venation, and anomocytic stomata. The actinomorphic-flowered Cariniana are more closely related to the monotypic Allantoma lineata than they are to the species of the C. legalis clade. In order to reflect these relationships, Cariniana is divided into two genera: species in the C. legalis clade, which includes the generic type C. legalis, remain as Cariniana while species of Cariniana in the Allantoma/Cariniana decandra clade are transferred to Allantoma. The following new combinations are proposed: Allantoma decandra, A. integrifolia, A. kuhlmannii, A. pluriflora (a nomen novum for Cariniana multiflora because Allantoma multiflora is a synonym of Couratari multiflora), A. pachyantha, A. pauciramosa, and A. uaupensis.
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Acknowledgments
We thank Dominick Basile and Mike Baxter for teaching techniques used in studying plant anatomy and electron microscopy to the first author, respectively; Larry Kelly and Fabian Michelangeli for sharing their knowledge of phylogenetic analyses; Douglas Daly for his aid in selecting and understanding leaf venation characters; Lisa Campbell for her assistance in the anatomy lab; Chih-Hua Tsou for advice and comments during the course of this study; and several staff members of the Missouri Botanical Garden for their help during herbarium work there. We also thank Walter Judd and one anonymous reviewer for reviewing our manuscript. Financial support was provided by The New York Botanical Garden, Lehman College/City University of New York, and the Beneficia Foundation.
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Huang, YY., Mori, S.A. & Prance, G.T. A phylogeny of Cariniana (Lecythidaceae) based on morphological and anatomical data. Brittonia 60, 69–81 (2008). https://doi.org/10.1007/s12228-008-9014-3
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DOI: https://doi.org/10.1007/s12228-008-9014-3